38089989 has 12 divisors (see below), whose sum is σ = 62878816. Its totient is φ = 21765672.

The previous prime is 38089951. The next prime is 38089991. The reversal of 38089989 is 98998083.

It is not a de Polignac number, because 38089989 - 2⁹ = 38089477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38089949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302239 + ... + 302364.

Almost surely, 2^38089989 is an apocalyptic number.

It is an amenable number.

38089989 is a deficient number, since it is larger than the sum of its proper divisors (24788827).

38089989 is a wasteful number, since it uses less digits than its factorization.

38089989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604616 (or 604613 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 38089989 is about 6171.7087585206. The cubic root of 38089989 is about 336.4627181358.

The spelling of 38089989 in words is "thirty-eight million, eighty-nine thousand, nine hundred eighty-nine".